Magsafe 2 85W Charger not recognized by mid-2015 MacBook Pro
I have a 15" mid-2015 Macbook Pro that normally uses an 85W Magsafe 2 charger. The issue started when the 85W charger I have used for several years suddenly started getting very hot at the T-type connector. So hot you couldn't touch it. Pins 2 and 4 on the connector were being burned. I assumed the charger was bad so I bought a new Apple 85W Magsafe 2 charger. In notice almost immediately it too was getting hot and the same pins had just barely started to burn. I then found out that this was an indication that the Magsafe 2 DC-In Board was bad, so I bought a replacement from iFixit and installed it. I use the new Apple 85 W charger I bought and it charged the Macbook Pro two times and then quit. There was no indicator light on the T-tip nor lightening bolt on the computer charging symbol. no recognition of the charger at all. I assumed the charger was bad, so I bought another new Apple Magsafe 2 85W charger. It didn't work either. The same no T-tip light or charging symbol. I then assumed the Magsafe 2 DC-In Board I just installed was bad, but before I did anything I had a colleague that had an Apple charger and tried that. It work fine. The light came on, and the battery charged fine. The charger didn't get hot. Everything was good. The difference? My colleague's charger was a 60W charger. So the laptop is not recognizing my 85W chargers, but does work with a 60W charger. Is there a different Magsafe 2 DC-In board that only recognizes 60W chargers or can whatever detects the charger have the 85W sensor burned out, but not the 60W? Any ideas?
Questa è una buona domanda?